From: Alejandro Colomar <alx@kernel.org>
Date: Thu, 27 Nov 2025 00:13:07 +0000 (+0100)
Subject: lib/typetraits.h: maxof(), minof(): Use the compiler operators if available
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e608f0f0b945999887763f74ca80976a6404f29a;p=thirdparty%2Fshadow.git

lib/typetraits.h: maxof(), minof(): Use the compiler operators if available

Reviewed-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/lib/typetraits.h b/lib/typetraits.h
index af952f86b..b259e9de9 100644
--- a/lib/typetraits.h
+++ b/lib/typetraits.h
@@ -11,12 +11,17 @@
 #include "sizeof.h"
 
 
+#if (__GNUC__ >= 16)
+# define maxof(T)  _Maxof(T)
+# define minof(T)  _Minof(T)
+#else
 # define is_unsigned(x)  ((typeof(x)) -1 > 1)
 # define is_signed(x)    ((typeof(x)) -1 < 1)
 # define stype_max(T)    ((T) (((((T) 1 << (WIDTHOF(T) - 2)) - 1) << 1) + 1))
 # define utype_max(T)    ((T) -1)
 # define maxof(T)        ((T) (is_signed(T) ? stype_max(T) : utype_max(T)))
 # define minof(T)        ((T) ~maxof(T))
+#endif
 
 
 #define is_same_type(a, b)                                                    \